Damage evolution around shear loaded intervoid ligaments in plane strain and plane stress

S Chen, S Osovski - European Journal of Mechanics-A/Solids, 2020 - Elsevier
Ductile fracture is a process involving microvoids nucleation and growth, ending abruptly by
void coalescence. The nature of the local mechanical fields is of prime importance to model …

[PDF][PDF] Research on fracture mechanism and prediction of high-strength steel sheet under different stress states

钱凌云, 纪婉婷, 王小灿, 孙朝阳… - Journal of Mechanical …, 2020 - qikan.cmes.org
The macroscopic fracture behavior of metal sheet forming process highly depends on
microscopic fracture mechanism, thus establishing a ductile fracture criterion reflecting …

Anisotropy of mechanical properties in directionally solidified Nb-Si alloys at room temperature compression

Z Jin, L Jia, C Ye, W Wang, H Zhang - Journal of Alloys and Compounds, 2023 - Elsevier
The room-temperature compressive strength and deformation mechanisms in directional
solidified Nb-Si alloy with different orientations were studied. The Electron Backscattered …

Effects of Notch radius and thickness on the tensile strength and fracture mechanisms of Al6061-T6 plate specimens

L Wang, X Du, NS Choi - International Journal of Precision Engineering …, 2022 - Springer
In this study, the tensile strength and fracture mechanisms of Al6061-T6 plate specimens
were evaluated based on von Mises stress and triaxial tensile stress according to the …

Improving the structural efficiency of textured three-dimensional concrete printing wall by architectural design

W Sadakorn, S Prasertsuk, L Prasittisopin - Frontiers of Structural and Civil …, 2024 - Springer
Three-dimensional concrete printing (3DCP) technology begins to be adopted into
construction application worldwide. Recent studies have focused on producing a higher …

[PDF][PDF] 基于不同断裂准则的6061-T651 铝合金板抗冲击性能数值仿真研究

邓云飞, 吴华鹏, 杨笑岳, 王轩 - 机械工程学报, 2023 - qikan.cmes.org
利用ABAQUS/Explicit 软件建立了弹体冲击靶板的有限元模型, 并采用不同的断裂准则进行数值
仿真计算. 通过分析铝合金板冲击失效单元的应力状态, 揭示不同头部形状弹体冲击下铝合金板 …

Fracture prediction of high-strength steel sheet during in-plane compression-shear forming under negative stress triaxiality

L Qian, J Du, P Li, T Ma, Y Zhou, C Sun - Archives of Civil and Mechanical …, 2024 - Springer
Predicting fracture failure of metals at negative stress triaxiality has been challenging,
particularly for the in-plane compression-shear fracture failure of sheet metals. In this study …

[HTML][HTML] Predicting the compressive strength of tight sandstone based on the low field NMR and pseudo-triaxial compression measurements

X Ge, R Zhang, J Liu, Y Fan, M Myers… - … and Geophysics for Geo …, 2024 - Springer
The compressive strength is very important for petroleum and other engineering studies.
However, the effect of pore size and fluid distribution on the rock's strength is not fully …

Forming limit prediction of AA7075-T6 sheet based on ductile fracture criterion and the error analysis of parameters calibration

Z Yang, C Zhao, G Dong, Z Chen, Y Sun… - International Journal of …, 2021 - Springer
It is worthy to investigate how it will affect the parameters calibration using an average stress
state variable before the practical application of a ductile fracture criterion. In order to study …

[HTML][HTML] A Simple Calibrated Ductile Fracture Model and Its Application in Failure Analysis of Steel Connections

W Li, Y Jing - Buildings, 2022 - mdpi.com
A new fracture model is developed to predict the ductile fracture of structural steel under
multiaxial stress states. First, the Lee–Mear void growth theory is used to establish the …